LUMENTEK LED Aquarium Light Bulb for Lighting Small Nano and Pico Aquariums - Full Spectrum Lights &ndash; for Reef or Freshwater fish tanks or Refugium &ndash; Maximum PAR for Coral and Plant Growth GREAT VALUE IN A SMALL PACKAGE - The 7-watt Full Spectrum 7g model Led Light is our least expensive light  but provides a lot of bang for the buck. It is designed for tanks up to 12 inches by 12 inches in dimension. The 7g fits all US sockets, and provides great PAR and LUX for the smallest aquariums and refugiums. Additionally, LED lights last far longer - cost less to operate and run cooler over your aquarium than any other type of lighting. MULTIPLE USES - The small and versatile 7g  g stands for general usage  can be used for virtually any small aquarium. It works on freshwater or reef aquariums or refugiums. If you have a very small aquarium and want great coverage at a great price  then the 7g is for you! DESIGNED FOR MAXIMAL PAR AND LUX IN A SMALL PACKAGE  Even though it is a smaller light - at 3.75 inches in diameter  it produces a true 7 watts of power with a unique LED color spectrum designed to maximize its small shape. It can fit into the smallest spaces  allowing illumination where larger LED lights might not fit. Its 90-degree optics spreads the light wider than other LED lights to cover the largest area possible. USA COMPANY - We are a small American company operating in California. You can trust that we will provide the best and fastest customer service. Our founder has been in the Aquarium hobby for over 30 years and Reef Radiance has been selling Aquarium LED Lighting products since 2009. We are now producing our 5th generation of LED lights utilizing our extensive experience in the designing and manufacturing of high quality LED products. 100% MONEY BACK GUARANTEE & ONE YEAR WARRANTY - We are so confident that you will love your LUMENTEK LED that If you are not satisfied with it - for any reason whatsoever - you can return it within 45 days - no questions asked - and receive all your money back. With LUMENTEK you can always purchase with confidence. Purchase now - press ADD TO CART with confidence.